252516953 has 4 divisors (see below), whose sum is σ = 271941348. Its totient is φ = 233092560.

The previous prime is 252516937. The next prime is 252516961. The reversal of 252516953 is 359615252.

252516953 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 77933584 + 174583369 = 8828^2 + 13213^2 .

It is a cyclic number.

It is not a de Polignac number, because 252516953 - 2⁴ = 252516937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252516053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9712178 + ... + 9712203.

It is an arithmetic number, because the mean of its divisors is an integer number (67985337).

Almost surely, 2^252516953 is an apocalyptic number.

It is an amenable number.

252516953 is a deficient number, since it is larger than the sum of its proper divisors (19424395).

252516953 is a wasteful number, since it uses less digits than its factorization.

252516953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19424394.

The product of its digits is 81000, while the sum is 38.

The square root of 252516953 is about 15890.7820134819. The cubic root of 252516953 is about 632.0675775960.

The spelling of 252516953 in words is "two hundred fifty-two million, five hundred sixteen thousand, nine hundred fifty-three".